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Bioessays. 2017 Dec;39(12). doi: 10.1002/bies.201700089. Epub 2017 Oct 20.

Animal Models in Translational Research: Rosetta Stone or Stumbling Block?

Author information

1
Department of Biological Sciences, University of New Hampshire, Durham, NH, USA.

Abstract

Leading animal models are powerful tools for translational research, but they also present obstacles. Poorly conducted preclinical research in animals is a common cause of translational failure, but even when such research is well-designed and carefully executed, challenges remain. In particular, dominant models may bias research directions, elide essential aspects of human disease, omit important context, or subtly shift research targets. Recognizing these stumbling blocks can help us find ways to avoid them: employing a wider range of models, incorporating more realistic environmental conditions, better aligning studies between animals and patients, and focusing on human biology and therapeutic goals. Such changes are costly; but insisting it would be impractical or unrealistic to change strategies offers no way out of the current impasse. Rather, we must acknowledge the obstacles as well as the advantages presented by core models, and direct some of our investments in translational research toward getting around them.

KEYWORDS:

animal models; translational research; validity

PMID:
29052843
DOI:
10.1002/bies.201700089
[Indexed for MEDLINE]

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